94 citations
,
February 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” EGF makes hair follicles grow longer but stops hair production.
46 citations
,
July 2007 in “Journal of comparative neurology” Manatee whiskers are specially adapted for touch in water.
40 citations
,
January 2016 in “Elsevier eBooks” The skin is the largest organ, protecting the body, regulating temperature, and producing hormones.
21 citations
,
March 2017 in “Skin research and technology” Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.
15 citations
,
July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
13 citations
,
January 2010 in “Advances in Biochemical Engineering / Biotechnology” Understanding hair biology is key to developing better treatments for hair and scalp issues.
12 citations
,
January 2013 in “IOSR Journal of Agriculture and Veterinary Science” Homogenous PRP gel heals goat skin wounds best, promoting quick recovery and hair growth.
8 citations
,
July 2011 in “Animal science journal” Keratin 33A is a key protein in goat winter coats, especially in high-producing breeds.
7 citations
,
December 2011 in “Annals of anatomy” Involucrin helps strengthen the inner parts of human hair.
1 citations
,
December 2015 in “The Egyptian Journal of Histology” Hypothyroidism harms rat skin, but topical triiodothyronine may help improve it.
1 citations
,
January 2012 in “Elsevier eBooks” The document concludes that the skin is a complex organ providing protection, sensation, and healing, with challenges in treating conditions like itchiness.
A new system for classifying curly hair types using precise measurements can improve hair care products and cultural inclusion.
June 2019 in “The Egyptian Journal of Histology” Hyaluronic acid injections improve skin thickness and quality, protecting against aging in rats.
1 citations
,
February 2009 in “Journal of Investigative Dermatology” Lipase H is important for hair follicle function and shaping hair fibers.
March 2026 in “Biomolecules” MicroRNAs play a key role in controlling hair growth and quality in sheep and goats.
New methods to classify curly hair types were developed based on shape and strength.
22 citations
,
June 1980 in “International Journal of Dermatology” The document concludes that correct diagnosis of alopecia types is crucial, scalp biopsies are important, and more research is needed.
6 citations
,
May 2003 in “PubMed” Small amounts of DNA can be found in the hair shaft, especially near the root, but it decreases with hair treatments and washing.
262 citations
,
May 2017 in “Nanomedicine” New nanofiber technology improves wound healing by supporting cell growth and delivering treatments directly to the wound.
41 citations
,
January 2018 in “Advances in experimental medicine and biology”
The document concludes that understanding hair's composition and the effects of treatments can lead to better hair care products.
October 2023 in “International journal of molecular sciences” Key proteins and pathways regulate wool fiber diameter in Alpine Merino sheep.
April 2026 in “Biomolecules” Squid ink melanin nanoparticles create a safe, long-lasting black hair dye that protects hair and offers UV protection.
73 citations
,
October 2013 in “International Journal of Cosmetic Science” Chemical hair straightening can damage hair and health, needing safer alternatives and stricter regulations.
64 citations
,
March 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” GPRC5D is linked to the formation of hair, nails, and certain tongue areas.
7 citations
,
November 2006 in “Journal of immunological methods” The method can help diagnose and monitor diabetes by analyzing hair.
33 citations
,
June 1995 in “International journal of legal medicine” Environmental factors can greatly reduce drug levels in hair.
25 citations
,
August 2017 in “Frontiers in Zoology” Marine mammals lost many α-keratin genes, aiding their adaptation to aquatic life by becoming hairless.
23 citations
,
January 1981 Hair is mostly made of three protein types: helical, high-sulfur, and high-tyrosine.
81 citations
,
February 2014 in “EMBO molecular medicine” Activating Nrf2 in skin cells causes skin disease similar to chloracne in mice.